<template>
  <div>
    <el-form ref="loginForm" :model="form" :rules="rules" label-width="80px" class="login-box">
      <h3 class="login-title">欢迎登录</h3>
      <el-form-item label="账号" prop="username">
        <el-input type="text" placeholder="请输入账号" v-model="form.username"/>
      </el-form-item>
      <el-form-item label=密码 prop=password>
        <el-input type="password" placeholder="请输入密码" v-model="form.password"/>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" v-on:click="onSubmit('loginForm')">登录</el-button>

        <el-button type="primary" v-on:click="register()">注册</el-button>
      </el-form-item>
    </el-form>

    <el-dialog
      title="温馨提示"
      :visible.sync="dialogVisible"
      width=30%>
<!--      :before-close="handleClose">-->
      <span>请输入账号和密码</span>
      <span slot=footer class=dialog-footer>
        <el-button type=primary @click="dialogVisible = false">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
  import {mapMutations} from "vuex";

  export default {
    name: "Login",
    data() {
      return {
        form: {
          username: '',
          password: ''
        },

        rules: {
          username: [
            {required: true, message: '账号不可为空', trigger: 'blur'}
          ],
          password: [
            {required: true, message: '密码不可为空', trigger: 'blur'}
          ]
        },

        //对话框显示和隐藏
        dialogVisible: false
      }
    },

    methods: {
      ...mapMutations(['changeLogin']),
      onSubmit(formName) {

        let _this=this;
        this.$refs[formName].validate((valid) => {
          if (valid) {
            // this.$router.push("/main");
            this.axios({
              method: 'post',
              url: '/Login',
              data: {
                username: _this.form.username,
                password: _this.form.password
              }
            }).then(res =>{
              if(res.data==='登录成功'){
              _this.$router.push('/Main');
            }
            else if(res.data==='没有该用户'){
              alert("没有该用户");
            }
              console.log(res.data);
            }).catch(error=>{
              _this.$router.push('/error');
              console.log(res.data);
            })
          } else {
            this.dialogVisible = true;
            return false;
          }
        });
      },
      register(){
        this.$router.push("/register");
      }
    }
  }
</script>

<style lang=scss scoped>
  .login-box {
    border: 1px solid #DCDFE6;
    width: 350px;
    margin: 180px auto;
    padding: 35px 35px 15px 35px;
    border-radius: 5px;
    -webkit-border-radius: 5px;
    -moz-border-radius: 5px;
    box-shadow: 0 0 25px #999099;
  }

  .login-box-title {
    text-align: center;
    margin: 0 auto 40px auto;
    color: #303133;
  }
</style>


